On 13.12.17 14:00, Roger Oberholtzer wrote: > On Wed, Dec 13, 2017 at 1:35 PM, Alexander Graf <[email protected]> wrote: > >> Would it make sense to resort to polling at those speeds instead? Maybe >> poll using a constant reoccuring hrtimer? > > Granted polling does not have the interrupt overhead. But I wonder how > it keeps up with respect to scheduling. Might one miss activity when > the kernel thread is not running?
Depends on how bad your jitter is, but I would hope that you'll get better granularity than 23khz ;). Worst case you can always try and isolate one CPU to do nothing but poll. You have 4 of them after all :). But that gets quite complicated ... Alex -- To unsubscribe, e-mail: [email protected] To contact the owner, e-mail: [email protected]
